False facts are highly injurious to the progress of science, for they often endure long; but false views, if supported by some evidence, do little ha… - Charles Darwin

We cannot fathom the marvelous complexity of an organic being; but on the hypothesis here advanced this complexity is much increased. Each living creature must be looked at as a microcosm — a little universe, formed of a host of self-propagating organisms, inconceivably minute and as numerous as the stars in heaven.

I had, also, during many years followed a golden rule, namely, that whenever a published fact, a new observation or thought came across me, which was opposed to my general results, to make a memorandum of it without fail and at once; for I had found by experience that such facts and thoughts were far more apt to escape from the memory than favourable ones. Owing to this habit, very few objections were raised against my views which I had not at least noticed and attempted to answer.

It seems to me absurd to doubt that a man may be an ardent Theist & an evolutionist. … I have never been an atheist in the sense of denying the existence of a God.